Toyota Sienna Electrical System Problems
Owners have filed 707 complaints with NHTSA about electrical system problems on the Toyota Sienna across 23 model years. The 2004 model year has the most (132). The words owners use most often: “sliding door” (29% of reports).
- 707electrical system complaints
- —median miles at failure
- 7mention a crash
- 17mention an injury
- 1related recalls
- $2,400typical repair cost reported by owners
- 36%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Sliding door: mentioned in 206 of 707 complaints (29%)
- Open close: mentioned in 42 of 707 complaints (6%)
- Side power: mentioned in 36 of 707 complaints (5%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical electrical system repair on the Toyota Sienna at $2,400, and half of them between $1,650 and $2,750.
Based on 31 NHTSA complaints about this problem alone that state a repair bill or quote (2003–2018), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do electrical system problems happen?
Based on 535 complaints that reported the odometer reading.
How serious are the reports?
Of 707 complaints, 7 mention a crash, 29 a fire, 17 an injury.
Toyota Sienna electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2020 Sienna | 7 | 18% | 60,000 |
| 2019 Sienna | 4 | 9% | 7,000 |
| 2018 Sienna | 7 | 10% | 115,576 |
| 2017 Sienna | 20 | 13% | 13,100 |
| 2016 Sienna | 9 | 12% | 19,000 |
| 2015 Sienna | 44 | 19% | 19,000 |
| 2014 Sienna | 16 | 10% | 37,925 |
| 2013 Sienna | 22 | 12% | 64,000 |
| 2012 Sienna | 27 | 11% | 39,910 |
| 2011 Sienna | 69 | 11% | 60,000 |
| 2010 Sienna | 20 | 12% | 87,677 |
| 2009 Sienna | 28 | 14% | 115,000 |
| 2008 Sienna | 45 | 10% | 71,011 |
| 2007 Sienna | 18 | 5% | 45,000 |
| 2006 Sienna | 85 | 8% | 72,500 |
| 2005 Sienna | 65 | 6% | 83,231 |
| 2004 Sienna | 132 | 6% | 81,000 |
| 2003 Sienna | 4 | 4% | 18,010 |
| 2002 Sienna | 24 | 13% | 93,224 |
| 2001 Sienna | 20 | 11% | 56,000 |
| 2000 Sienna | 17 | 5% | 69,140 |
| 1999 Sienna | 10 | 5% | 100,000 |
| 1998 Sienna | 14 | 5% | 140,000 |
When owners reported it
Related recalls (1)
Electrical system:ignition:anti-theft:control module
Model years: 1998, 1999
Problem: Vehicle description: sport utility vehicles, mini vans and passenger vehicles equipped with a theft deterrent systems (tds) supplied by audiovox corporation and distributed by southeast toyota distributors, inc. In the states of alabama, florida, georgia, north and south carolina. The alarm wiring harness plugs into the vehicle's ignition switch and the vehicle's ignition switch wiring harness plugs into the alarm harness to complete the circuit. A percentage of the female terminals used in the alarm connector were found to be defective, causing an 'open circuit' condition when mated to the male ignition switch terminals.
Risk: This condition can cause intermittent performance of the vehicle's electrical components such as the dash warning lights and/or hvac fan speed controls. Also, the vehicle may not run smoothly and could stall.
Fix: Dealers will inspect the date code label on the security system harness and any displaying the manufacturing/final date code will be replaced with newly produced harnesses. The date codes are: rav4 - 6/24/98, 6/25/98, 6/26/98; sienna - 6/25/98, 6/26/98; and avalon - 6/30/98, 7/1/98, 8/31/98, 9/1/98, 9/2/98, and 9/3/98.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Odometer Fraud. The contact purchased a 2011 Toyota Sienna. The vehicle was a private sale. The contact stated that at the time of purchase, the mileage was 102,694. The contact later discovered a mileage discrepancy in a Carfax report, which indicated that the mileage was previously recorded at…
No accident t door on the rear passenger side will not open I have tried everything and it just will not budge. This is a safety hazard because in the case of an accident or emergency, the door cannot be opened. It will not move manually or automatically.
Odometer Fraud. The contact purchased a 2018 Toyota Sienna. It was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the mileage was 49,000. While attempting to resell the vehicle, the Auto Check report indicated that the mileage was 324,000.
Odometer Fraud. The contact purchased a 2020 Toyota Sienna. The contact discovered that there was a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 88,044. It was later discovered upon checking with the local DMV that the…
power sliding door (behind front passenger) does not fully engage arresting hook and tends to immediately return to open position and after hitting the button again starts welling. It started about eight months ago. Now it isnât connected at all, I just open or close it and it slides but donât…
Frequently asked questions
Do all Toyota Siennas have electrical system problems?
No. NHTSA has 707 owner complaints about electrical system for the Toyota Sienna. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Toyota Sienna electrical system?
Yes: 1 safety recall list electrical system. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
How much does it cost to fix electrical system problems on the Toyota Sienna?
Owners report a typical cost of $2,400 (half paid between $1,650 and $2,750), from 31 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about electrical system problems on the Toyota Sienna?
The most frequent phrase is “sliding door”, in 206 of 707 complaints, followed by “open close” (42).
Other Toyota Sienna problems
- Structure problems (2,745)
- Air Bags problems (876)
- Latches/locks/linkages problems (786)
- Power Train problems (554)
- Steering problems (524)
- Tires problems (521)
- Vehicle Speed Control problems (465)
- Seat Belts problems (346)
See all Toyota Sienna problems.